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  <title>Document</title>
  <style>
    * {
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    body {
      background-color: #f4f5f9;
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    .box {
      position: relative;
      width: 228px;
      height: 270px;
      margin: 100px auto;
      background-color: #fff;
      border-radius: 10px;
    }

    .box .hot {
      position: absolute;
      right: 0;
      background-color: #f77321;
      padding: 5px;
      font-size: 12px;
      font-weight: 700;
      color: #fff;
      border-top-right-radius: 10px;
      border-bottom-left-radius: 10px;
    }

    .box .product {
      width: 100%;
      border-top-left-radius: 10px;
      border-top-right-radius: 10px;
    }

    .box h3 {
      height: 52px;
      padding-left: 24px;
      padding-right: 20px;
      margin-top: 25px;
      font-size: 14px;
      font-weight: 400;
    }

    .box p {
      margin-left: 24px;
      font-size: 12px;
      color: #929292;
    }

    .box p span {
      color: #f77321;
    }
  </style>
</head>

<body>
  <div class="box">
    <span class="hot">HOT</span>
    <img src="./07案例.jpg" alt="" class="product">
    <h3>Android网络图片加载框架详解</h3>
    <p><span>高级</span> · 1125人在学习</p>
  </div>
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